/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// 测试点1：验证获取普通对象所有自有属性的描述符，包含value、writable、enumerable、configurable
export function Fn01_testGetDataPropertyDescriptors() {
    const testObj = { name: "Alice", age: 25 };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);

    const nameDescValid = descriptors.name.value === "Alice" &&
        descriptors.name.writable === true &&
        descriptors.name.enumerable === true &&
        descriptors.name.configurable === true;

    const ageDescValid = descriptors.age.value === 25 &&
        descriptors.age.writable === true &&
        descriptors.age.enumerable === true &&
        descriptors.age.configurable === true;

    const noExtraProps = Object.keys(descriptors).length === 2;

    return nameDescValid && ageDescValid && noExtraProps;
}

// 测试点2：验证获取包含访问器属性（get/set）的对象描述符
export function Fn02_testGetAccessorPropertyDescriptors() {
    let internalValue = 10;
    const testObj = {
        get num() { return internalValue; },
        set num(newVal) { internalValue = newVal; }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);

    const isAccessor = descriptors.num.value === undefined &&
        descriptors.num.writable === undefined &&
        typeof descriptors.num.get === "function" &&
        typeof descriptors.num.set === "function";

    testObj.num = 20;
    const getSetValid = testObj.num === 20;

    const propFlagsValid = descriptors.num.enumerable === true &&
        descriptors.num.configurable === true;

    return isAccessor && getSetValid && propFlagsValid;
}

// 测试点3：验证获取空对象或不可枚举属性的描述符
export function Fn03_testGetNonEnumerableAndEmptyObjDescriptors() {
    const emptyObj = {};
    const emptyDescriptors = Object.getOwnPropertyDescriptors(emptyObj);
    const isEmptyValid = Object.keys(emptyDescriptors).length === 0;

    const testObj = {};
    Object.defineProperty(testObj, "secret", {
        value: "hidden",
        enumerable: false,
        configurable: true
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);

    const secretDescValid = descriptors.secret.value === "hidden" &&
        descriptors.secret.enumerable === false &&
        descriptors.secret.configurable === true;

    const noExtraProps = Object.keys(descriptors).length === 1;

    return isEmptyValid && secretDescValid && noExtraProps;
}
// 测试点4：验证获取带Symbol类型自有属性的描述符
export function Fn04_testSymbolPropertyDescriptors() {
    const symKey = Symbol('id');
    const testObj = { [symKey]: 'symbol-value' };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    const hasSymbolDesc = descriptors[symKey] !== undefined;
    const symbolDescValid = descriptors[symKey].value === 'symbol-value' &&
        descriptors[symKey].enumerable === true;
    return hasSymbolDesc && symbolDescValid && Object.keys(descriptors).length === 0;
}

// 测试点5：验证获取writable为false的属性描述符
export function Fn05_testWritableFalseDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'lock', { value: 'fixed', writable: false });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.lock.value === 'fixed' && !descriptors.lock.writable;
}

// 测试点6：验证获取configurable为false的属性描述符
export function Fn06_testConfigurableFalseDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'static', { value: 'unchange', configurable: false });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.static.value === 'unchange' && !descriptors.static.configurable;
}

// 测试点7：验证获取数组对象的自有属性描述符（含length）
export function Fn07_testArrayDescriptors() {
    const testArr = [10, 20];
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    const index0Valid = descriptors[0].value === 10 && descriptors[0].enumerable === true;
    const index1Valid = descriptors[1].value === 20 && descriptors[1].enumerable === true;
    const lengthValid = descriptors.length.value === 2 && descriptors.length.writable === true;
    return index0Valid && index1Valid && lengthValid;
}

// 测试点8：验证获取仅含getter的访问器属性描述符
export function Fn08_testGetterOnlyDescriptor() {
    const testObj = { get readOnly() { return 'no-set'; } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return typeof descriptors.readOnly.get === 'function' && descriptors.readOnly.set === undefined;
}

// 测试点9：验证获取仅含setter的访问器属性描述符
export function Fn09_testSetterOnlyDescriptor() {
    let store = '';
    const testObj = { set writeOnly(val) { store = val; } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj.writeOnly = 'test';
    return typeof descriptors.writeOnly.set === 'function' && descriptors.writeOnly.get === undefined && store === 'test';
}

// 测试点10：验证获取原型链属性不会被包含
export function Fn10_testExcludePrototypeDescriptors() {
    const parent = { inherit: 'parent-prop' };
    const child = Object.create(parent);
    child.own = 'child-prop';
    const descriptors = Object.getOwnPropertyDescriptors(child);
    return descriptors.own !== undefined && descriptors.inherit === undefined;
}

// 测试点11：验证获取Date对象的自有属性描述符
export function Fn11_testDateDescriptors() {
    const testDate = new Date('2024-01-01');
    const descriptors = Object.getOwnPropertyDescriptors(testDate);
    const timeValid = descriptors.getTime !== undefined && typeof descriptors.getTime.get === 'function';
    return descriptors.toString !== undefined && timeValid;
}

// 测试点12：验证获取函数对象的自有属性描述符
export function Fn12_testFunctionDescriptors() {
    function testFn() {}
    testFn.fnProp = 'func-prop';
    const descriptors = Object.getOwnPropertyDescriptors(testFn);
    const propValid = descriptors.fnProp.value === 'func-prop';
    const lengthValid = descriptors.length.value === 0;
    return propValid && lengthValid;
}

// 测试点13：验证空对象字面量的描述符返回空对象
export function Fn13_testEmptyLiteralDescriptors() {
    const emptyObj = {};
    const descriptors = Object.getOwnPropertyDescriptors(emptyObj);
    return Object.keys(descriptors).length === 0 && Object.values(descriptors).length === 0;
}

// 测试点14：验证获取嵌套对象的自有属性描述符（仅外层）
export function Fn14_testNestedObjOuterDescriptors() {
    const testObj = { nested: { inner: 'val' } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.nested.value.inner === 'val' && Object.keys(descriptors).length === 1;
}

// 测试点15：验证获取 enumerable 为 false 的访问器属性
export function Fn15_testNonEnumerableAccessor() {
    const testObj = {};
    Object.defineProperty(testObj, 'hiddenAcc', {
        get() { return 'hide'; },
        enumerable: false
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.hiddenAcc.get() === 'hide' && !descriptors.hiddenAcc.enumerable;
}

// 测试点16：验证获取属性描述符后修改原对象不影响描述符
export function Fn16_testDescriptorUnchangedAfterModify() {
    const testObj = { val: 100 };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj.val = 200;
    return descriptors.val.value === 100 && testObj.val === 200;
}

// 测试点18：验证获取带默认描述符的自定义属性
export function Fn18_testDefaultDescriptorFlags() {
    const testObj = {};
    Object.defineProperty(testObj, 'default', { value: 'def' });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.default.writable && !descriptors.default.enumerable && !descriptors.default.configurable;
}

// 测试点19：验证获取Map实例的自有属性描述符（不含原型方法）
export function Fn19_testMapDescriptors() {
    const testMap = new Map();
    testMap.mapProp = 'map-val';
    const descriptors = Object.getOwnPropertyDescriptors(testMap);
    return descriptors.mapProp.value === 'map-val' && descriptors.set === undefined;
}

// 测试点20：验证获取冻结对象的属性描述符
export function Fn20_testFrozenObjDescriptors() {
    const testObj = { frozen: 'val' };
    Object.freeze(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.frozen.writable && !descriptors.frozen.configurable;
}

// 测试点21：验证获取含null值属性的描述符
export function Fn21_testNullValueDescriptor() {
    const testObj = { prop: null };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === null && descriptors.prop.writable === true;
}

// 测试点22：验证获取含undefined值属性的描述符
export function Fn22_testUndefinedValueDescriptor() {
    const testObj = { prop: undefined };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === undefined && descriptors.prop.enumerable === true;
}

// 测试点23：验证获取Set实例自有属性的描述符
export function Fn23_testSetDescriptors() {
    const testSet = new Set([1, 2]);
    testSet.setProp = 'set-val';
    const descriptors = Object.getOwnPropertyDescriptors(testSet);
    return descriptors.setProp.value === 'set-val' && descriptors.add === undefined;
}

// 测试点24：验证获取类实例自有属性的描述符
export function Fn24_testClassInstanceDescriptors() {
    class TestClass {
        constructor() {
            this.instanceProp = 'class-inst-prop';
        }
    }
    const testInst = new TestClass();
    const descriptors = Object.getOwnPropertyDescriptors(testInst);
    return descriptors.instanceProp.value === 'class-inst-prop' && descriptors.instanceProp.configurable === true;
}

// 测试点25：验证获取类静态属性的描述符
export function Fn25_testClassStaticDescriptors() {
    class TestClass {
        static staticProp = 'class-static-prop';
    }
    const descriptors = Object.getOwnPropertyDescriptors(TestClass);
    return descriptors.staticProp.value === 'class-static-prop' && descriptors.staticProp.enumerable === true;
}

// 测试点27：验证获取访问器属性中this指向的正确性（间接验证描述符有效性）
export function Fn27_testAccessorThisBinding() {
    const testObj = {
        base: 10,
        get computed() { return this.base * 2; }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    const getFunc = descriptors.computed.get;
    return getFunc.call(testObj) === 20 && getFunc.call({ base: 20 }) === 40;
}

// 测试点28：验证获取可枚举性为true的configurable:false属性描述符
export function Fn28_testEnumerableConfigFalseDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'enumFixed', {
        value: 'enum-false-config',
        enumerable: true,
        configurable: false
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.enumFixed.enumerable === true && !descriptors.enumFixed.configurable;
}

// 测试点29：验证获取不可枚举的writable:false属性描述符
export function Fn29_testNonEnumerableWritableFalseDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'nonEnumFixed', {
        value: 'non-enum-fixed',
        enumerable: false,
        writable: false
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.nonEnumFixed.enumerable && !descriptors.nonEnumFixed.writable;
}

// 测试点30：验证获取RegExp实例lastIndex属性的描述符
export function Fn30_testRegExpLastIndexDescriptor() {
    const testReg = /a/g;
    testReg.test('ab'); // 触发lastIndex更新
    const descriptors = Object.getOwnPropertyDescriptors(testReg);
    return descriptors.lastIndex.value === 1 && descriptors.lastIndex.writable === true;
}

// 测试点31：验证获取函数length属性（形参数量）的描述符
export function Fn31_testFunctionLengthDescriptor() {
    function testFn(a, b) {}
    const descriptors = Object.getOwnPropertyDescriptors(testFn);
    return descriptors.length.value === 2 && descriptors.length.writable === false;
}

// 测试点32：验证获取对象原型属性（__proto__）的描述符
export function Fn32_testProtoDescriptor() {
    const parent = {};
    const child = Object.create(parent);
    const descriptors = Object.getOwnPropertyDescriptors(child);
    return descriptors.__proto__.value === parent && descriptors.__proto__.configurable === true;
}

// 测试点33：验证获取含箭头函数属性的描述符
export function Fn33_testArrowFunctionDescriptor() {
    const testObj = { arrowFn: () => 'arrow-val' };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arrowFn.value() === 'arrow-val' && typeof descriptors.arrowFn.value === 'function';
}

// 测试点34：验证获取含Generator函数属性的描述符
export function Fn34_testGeneratorFunctionDescriptor() {
    const testObj = { genFn: function* () { yield 1; } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    const gen = descriptors.genFn.value();
    return gen.next().value === 1 && typeof descriptors.genFn.value === 'function';
}

// 测试点35：验证获取被密封对象（seal）的属性描述符
export function Fn35_testSealedObjDescriptors() {
    const testObj = { sealedProp: 'sealed-val' };
    Object.seal(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.sealedProp.configurable && descriptors.sealedProp.writable === true;
}

// 测试点36：验证获取含BigInt值属性的描述符
export function Fn36_testBigIntValueDescriptor() {
    const testObj = { bigIntProp: 9007199254740991n };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.bigIntProp.value === 9007199254740991n && descriptors.bigIntProp.enumerable === true;
}

// 测试点38：验证获取嵌套Symbol属性的描述符
export function Fn38_testNestedSymbolDescriptor() {
    const sym1 = Symbol('key1');
    const sym2 = Symbol('key2');
    const testObj = { [sym1]: { [sym2]: 'nested-symbol-val' } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    const nestedDescriptors = Object.getOwnPropertyDescriptors(descriptors[sym1].value);
    return nestedDescriptors[sym2].value === 'nested-symbol-val';
}

// 测试点39：验证获取访问器属性中依赖其他属性的描述符
export function Fn39_testAccessorDependentDescriptor() {
    let a = 5, b = 3;
    const testObj = {
        get sum() { return a + b; },
        set a(val) { a = val; }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj.a = 10;
    return descriptors.sum.get() === 13 && typeof descriptors.a.set === 'function';
}

// 测试点40：验证获取数组稀疏元素的描述符（不存在的索引无描述符）
export function Fn40_testSparseArrayDescriptors() {
    const sparseArr = [];
    sparseArr[2] = 'sparse-val'; // 索引0、1不存在
    const descriptors = Object.getOwnPropertyDescriptors(sparseArr);
    return descriptors[2].value === 'sparse-val' && descriptors[0] === undefined && descriptors[1] === undefined;
}

// 测试点41：验证获取Error实例自有属性的描述符
export function Fn41_testErrorInstanceDescriptors() {
    const testErr = new Error('test-error');
    testErr.errProp = 'err-val';
    const descriptors = Object.getOwnPropertyDescriptors(testErr);
    return descriptors.errProp.value === 'err-val' && descriptors.message.value === 'test-error';
}

// 测试点42：验证获取Promise实例自有属性的描述符
export function Fn42_testPromiseDescriptors() {
    const testPromise = Promise.resolve('promise-val');
    testPromise.promiseProp = 'promise-prop';
    const descriptors = Object.getOwnPropertyDescriptors(testPromise);
    return descriptors.promiseProp.value === 'promise-prop' && descriptors.then !== undefined;
}

// 测试点43：验证获取对象自有属性描述符数量与Object.keys长度一致
export function Fn43_testDescriptorCountMatchKeys() {
    const testObj = { a: 1, b: 2, c: 3 };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return Object.keys(descriptors).length === Object.keys(testObj).length;
}

// 测试点44：验证获取不可枚举属性描述符不被Object.keys捕获
export function Fn44_testNonEnumerableExcludeKeys() {
    const testObj = {};
    Object.defineProperty(testObj, 'nonEnum', { value: 'val', enumerable: false });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.nonEnum !== undefined && Object.keys(testObj).includes('nonEnum') === false;
}

// 测试点45：验证获取访问器属性描述符无value和writable字段
export function Fn45_testAccessorNoValueWritable() {
    const testObj = { get acc() {} };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    const accDesc = descriptors.acc;
    return accDesc.value === undefined && accDesc.writable === undefined;
}

// 测试点46：验证获取数据属性描述符无get和set字段
export function Fn46_testDataNoGetSet() {
    const testObj = { data: 'val' };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    const dataDesc = descriptors.data;
    return dataDesc.get === undefined && dataDesc.set === undefined;
}

// 测试点47：验证获取修改后访问器属性的描述符
export function Fn47_testModifiedAccessorDescriptor() {
    let val = 10;
    const testObj = { get acc() { return val; } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    val = 20; // 修改访问器依赖的变量
    return descriptors.acc.get() === 20;
}

// 测试点48：验证获取Symbol作为访问器属性名的描述符
export function Fn48_testSymbolAccessorDescriptor() {
    const symAcc = Symbol('acc');
    let val = 'sym-acc-val';
    const testObj = {};
    Object.defineProperty(testObj, symAcc, {
        get() { return val; },
        set(newVal) { val = newVal; }
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj[symAcc] = 'new-sym-acc-val';
    return descriptors[symAcc].get() === 'new-sym-acc-val' && typeof descriptors[symAcc].set === 'function';
}

// 测试点49：验证获取数组push后新元素的描述符
export function Fn49_testArrayPushDescriptor() {
    const testArr = [1];
    testArr.push(2);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[1].value === 2 && descriptors.length.value === 2;
}

// 测试点50：验证获取对象delete属性后描述符消失
export function Fn50_testDeletePropDescriptor() {
    const testObj = { prop: 'val' };
    delete testObj.prop;
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop === undefined;
}
// 测试点51：验证获取含NaN值属性的描述符
export function Fn51_testNaNValueDescriptor() {
    const testObj = { prop: NaN };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return Number.isNaN(descriptors.prop.value) && descriptors.prop.enumerable === true;
}

// 测试点52：验证获取含Infinity值属性的描述符
export function Fn52_testInfinityValueDescriptor() {
    const testObj = { prop: Infinity };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === Infinity && descriptors.prop.writable === true;
}

// 测试点53：验证获取类实例方法（非原型）的描述符
export function Fn53_testClassInstanceMethodDescriptor() {
    class TestClass {
        constructor() {
            this.instanceMethod = () => 'inst-method-val';
        }
    }
    const testInst = new TestClass();
    const descriptors = Object.getOwnPropertyDescriptors(testInst);
    return descriptors.instanceMethod.value() === 'inst-method-val' && typeof descriptors.instanceMethod.value === 'function';
}

// 测试点54：验证获取类原型方法的描述符（需从原型对象获取）
export function Fn54_testClassProtoMethodDescriptor() {
    class TestClass {
        protoMethod() { return 'proto-method-val'; }
    }
    const protoDescriptors = Object.getOwnPropertyDescriptors(TestClass.prototype);
    return protoDescriptors.protoMethod.value() === 'proto-method-val' && protoDescriptors.protoMethod.enumerable === false;
}

// 测试点55：验证获取WeakMap实例自有属性的描述符
export function Fn55_testWeakMapDescriptors() {
    const testWeakMap = new WeakMap();
    testWeakMap.weakMapProp = 'weakmap-val';
    const descriptors = Object.getOwnPropertyDescriptors(testWeakMap);
    return descriptors.weakMapProp.value === 'weakmap-val' && descriptors.set === undefined;
}

// 测试点56：验证获取WeakSet实例自有属性的描述符
export function Fn56_testWeakSetDescriptors() {
    const testWeakSet = new WeakSet();
    testWeakSet.weakSetProp = 'weakset-val';
    const descriptors = Object.getOwnPropertyDescriptors(testWeakSet);
    return descriptors.weakSetProp.value === 'weakset-val' && descriptors.add === undefined;
}

// 测试点57：验证获取访问器属性中使用this访问自身其他属性的描述符
export function Fn57_testAccessorThisOwnPropDescriptor() {
    const testObj = {
        base: 5,
        get doubled() { return this.base * 2; },
        set doubled(newVal) { this.base = newVal / 2; }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj.doubled = 14;
    return descriptors.doubled.get() === 14 && testObj.base === 7;
}

// 测试点58：验证获取数组unshift后新元素的描述符
export function Fn58_testArrayUnshiftDescriptor() {
    const testArr = [2];
    testArr.unshift(1);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 1 && descriptors.length.value === 2;
}

// 测试点59：验证获取数组pop后剩余元素的描述符
export function Fn59_testArrayPopDescriptor() {
    const testArr = [1, 2];
    testArr.pop();
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[1] === undefined && descriptors.length.value === 1;
}

// 测试点60：验证获取字符串对象（new String）的自有属性描述符
export function Fn60_testStringObjectDescriptors() {
    const testStrObj = new String('test');
    const descriptors = Object.getOwnPropertyDescriptors(testStrObj);
    const char0Valid = descriptors[0].value === 't' && descriptors[0].enumerable === true;
    const lengthValid = descriptors.length.value === 4 && descriptors.length.writable === false;
    return char0Valid && lengthValid;
}

// 测试点63：验证获取含嵌套函数属性的描述符
export function Fn63_testNestedFunctionDescriptor() {
    const testObj = {
        outer: () => {
            return { inner: () => 'nested-func-val' };
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.outer.value().inner() === 'nested-func-val';
}


// 测试点66：验证获取含正则表达式属性的描述符
export function Fn66_testRegExpPropDescriptor() {
    const testObj = { reg: /\d+/g };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.reg.value.test('123') === true && descriptors.reg.enumerable === true;
}

// 测试点67：验证获取含日期对象属性的描述符
export function Fn67_testDatePropDescriptor() {
    const testDate = new Date('2024-12-31');
    const testObj = { date: testDate };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.date.value.getTime() === testDate.getTime() && descriptors.date.writable === true;
}

// 测试点68：验证获取访问器属性中抛出错误的描述符（验证描述符存在性）
export function Fn68_testErrorThrowingAccessorDescriptor() {
    const testObj = {
        get errorAcc() { throw new Error('test-err'); },
        set errorAcc(val) { throw new Error('test-err'); }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return typeof descriptors.errorAcc.get === 'function' && typeof descriptors.errorAcc.set === 'function';
}

// 测试点69：验证获取数组splice后元素的描述符
export function Fn69_testArraySpliceDescriptor() {
    const testArr = [1, 2, 3];
    testArr.splice(1, 1, 4); // 替换索引1的元素为4
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[1].value === 4 && descriptors.length.value === 3;
}

// 测试点70：验证获取含Map属性的描述符
export function Fn70_testMapPropDescriptor() {
    const testMap = new Map([['key', 'val']]);
    const testObj = { map: testMap };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.map.value.get('key') === 'val' && descriptors.map.enumerable === true;
}

// 测试点71：验证获取含Set属性的描述符
export function Fn71_testSetPropDescriptor() {
    const testSet = new Set([1, 2]);
    const testObj = { set: testSet };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.set.value.has(1) === true && descriptors.set.writable === true;
}

// 测试点72：验证获取对象自有属性描述符与Object.getOwnPropertyDescriptor逐个获取结果一致
export function Fn72_testDescriptorMatchSingleGet() {
    const testObj = { a: 1, b: 2 };
    const allDescriptors = Object.getOwnPropertyDescriptors(testObj);
    const aDesc = Object.getOwnPropertyDescriptor(testObj, 'a');
    const bDesc = Object.getOwnPropertyDescriptor(testObj, 'b');
    return JSON.stringify(allDescriptors.a) === JSON.stringify(aDesc) && JSON.stringify(allDescriptors.b) === JSON.stringify(bDesc);
}

// 测试点73：验证获取空函数对象的描述符（含length、prototype等）
export function Fn73_testEmptyFunctionDescriptors() {
    function testFn() {}
    const descriptors = Object.getOwnPropertyDescriptors(testFn);
    return descriptors.length.value === 0 && descriptors.prototype !== undefined && descriptors.prototype.enumerable === false;
}

// 测试点74：验证获取箭头函数的描述符（无prototype属性）
export function Fn74_testArrowFunctionNoPrototypeDescriptor() {
    const testArrow = () => {};
    const descriptors = Object.getOwnPropertyDescriptors(testArrow);
    return descriptors.prototype === undefined && descriptors.length.value === 0;
}

// 测试点75：验证获取Generator函数的描述符（含prototype属性）
export function Fn75_testGeneratorFunctionPrototypeDescriptor() {
    function* testGen() {}
    const descriptors = Object.getOwnPropertyDescriptors(testGen);
    return descriptors.prototype !== undefined && typeof descriptors.prototype.next === 'function';
}

// 测试点76：验证获取含Promise属性的描述符
export function Fn76_testPromisePropDescriptor() {
    const testPromise = Promise.resolve('promise-val');
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.then(res => res === 'promise-val') && descriptors.promise.enumerable === true;
}

// 测试点77：验证获取含Error属性的描述符
export function Fn77_testErrorPropDescriptor() {
    const testErr = new Error('test-err');
    const testObj = { error: testErr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.error.value.message === 'test-err' && descriptors.error.writable === true;
}

// 测试点78：验证获取对象属性重定义后描述符更新
export function Fn78_testRedefinedPropDescriptor() {
    const testObj = { prop: 'old-val' };
    Object.defineProperty(testObj, 'prop', { value: 'new-val', writable: false });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === 'new-val' && !descriptors.prop.writable;
}

// 测试点79：验证获取TypedArray修改后元素的描述符
export function Fn79_testModifiedTypedArrayDescriptor() {
    const testTypedArr = new Uint8Array([10, 20]);
    testTypedArr[0] = 15;
    const descriptors = Object.getOwnPropertyDescriptors(testTypedArr);
    return descriptors[0].value === 15 && descriptors[0].writable === true;
}

// 测试点80：验证获取对象属性赋值后描述符中value更新
export function Fn80_testAssignedPropValueDescriptor() {
    const testObj = { prop: 'old' };
    testObj.prop = 'new';
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === 'new' && descriptors.prop.writable === true;
}

// 测试点81：验证获取含Symbol.toStringTag属性的描述符
export function Fn81_testSymbolToStringTagDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, Symbol.toStringTag, { value: 'TestType' });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors[Symbol.toStringTag].value === 'TestType' && descriptors[Symbol.toStringTag].enumerable === false;
}

// 测试点82：验证获取数组fill后元素的描述符
export function Fn82_testArrayFillDescriptor() {
    const testArr = new Array(3);
    testArr.fill(5);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    const index0Valid = descriptors[0].value === 5 && descriptors[0].writable === true;
    const index2Valid = descriptors[2].value === 5 && descriptors[2].enumerable === true;
    return index0Valid && index2Valid;
}

// 测试点86：验证获取对象属性使用Object.defineProperty添加后的描述符
export function Fn86_testDefinePropertyDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'definedProp', {
        value: 'defined-val',
        writable: true,
        enumerable: false,
        configurable: true
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.definedProp.value === 'defined-val' && !descriptors.definedProp.enumerable;
}

// 测试点87：验证获取函数bind后实例的描述符
export function Fn87_testBoundFunctionDescriptor() {
    function testFn() { return this.val; }
    const boundFn = testFn.bind({ val: 'bound-val' });
    const descriptors = Object.getOwnPropertyDescriptors(boundFn);
    return descriptors.length.value === 0 && boundFn() === 'bound-val';
}

// 测试点88：验证获取含ArrayBuffer属性的描述符
export function Fn88_testArrayBufferPropDescriptor() {
    const testBuffer = new ArrayBuffer(8);
    const testObj = { buffer: testBuffer };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.buffer.value.byteLength === 8 && descriptors.buffer.writable === true;
}

// 测试点89：验证获取含DataView属性的描述符
export function Fn89_testDataViewPropDescriptor() {
    const buffer = new ArrayBuffer(8);
    const testView = new DataView(buffer);
    testView.setInt32(0, 12345);
    const testObj = { view: testView };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.view.value.getInt32(0) === 12345 && descriptors.view.enumerable === true;
}

// 测试点91：验证获取含SetIterator属性的描述符
export function Fn91_testSetIteratorPropDescriptor() {
    const testSet = new Set([1, 2]);
    const testIter = testSet.entries();
    const testObj = { iter: testIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value[0] === 1 && descriptors.iter.writable === true;
}

// 测试点92：验证获取含MapIterator属性的描述符
export function Fn92_testMapIteratorPropDescriptor() {
    const testMap = new Map([['key', 'val']]);
    const testIter = testMap.keys();
    const testObj = { iter: testIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value === 'key' && descriptors.iter.enumerable === true;
}

// 测试点93：验证获取对象自有属性描述符不包含原型链方法
export function Fn93_testExcludeProtoMethodsDescriptor() {
    const testObj = { ownProp: 'val' };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.ownProp !== undefined && descriptors.toString === undefined;
}

// 测试点94：验证获取含GeneratorIterator属性的描述符
export function Fn94_testGeneratorIteratorPropDescriptor() {
    function* testGen() { yield 'gen-val'; }
    const testIter = testGen();
    const testObj = { iter: testIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value === 'gen-val' && descriptors.iter.writable === true;
}

// 测试点95：验证获取数组reverse后元素的描述符
export function Fn95_testArrayReverseDescriptor() {
    const testArr = [1, 2, 3];
    testArr.reverse();
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 3 && descriptors[2].value === 1;
}

// 测试点96：验证获取含Uint32Array属性的描述符
export function Fn96_testUint32ArrayPropDescriptor() {
    const testTypedArr = new Uint32Array([100, 200]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[1] === 200 && descriptors.arr.enumerable === true;
}

// 测试点98：验证获取数据属性与访问器属性同名时的描述符（后者覆盖前者）
export function Fn98_testOverwriteDataWithAccessorDescriptor() {
    const testObj = { data: 'old' };
    Object.defineProperty(testObj, 'data', { get: () => 'new' }); // 访问器覆盖数据属性
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.data.get() === 'new' && descriptors.data.value === undefined;
}

// 测试点100：验证获取含Promise.all返回值属性的描述符
export function Fn100_testPromiseAllPropDescriptor() {
    const testPromise = Promise.all([Promise.resolve(1), Promise.resolve(2)]);
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.then(res => res[0] === 1 && res[1] === 2) && descriptors.promise.writable === true;
}

// 测试点101：验证获取含RegExp.exec返回值属性的描述符
export function Fn101_testRegExpExecPropDescriptor() {
    const testReg = /(\d+)/;
    const execResult = testReg.exec('num: 123');
    const testObj = { result: execResult };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.result.value[1] === '123' && descriptors.result.enumerable === true;
}

// 测试点102：验证获取含String.match返回值属性的描述符
export function Fn102_testStringMatchPropDescriptor() {
    const matchResult = 'test123'.match(/\d+/);
    const testObj = { result: matchResult };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.result.value[0] === '123' && descriptors.result.writable === true;
}

// 测试点103：验证获取对象使用Object.assign添加属性后的描述符
export function Fn103_testObjectAssignDescriptor() {
    const target = {};
    Object.assign(target, { assigned: 'val' });
    const descriptors = Object.getOwnPropertyDescriptors(target);
    return descriptors.assigned.value === 'val' && descriptors.assigned.configurable === true;
}

// 测试点104：验证获取含WeakMap.set返回值属性的描述符
export function Fn104_testWeakMapSetReturnDescriptor() {
    const testWeakMap = new WeakMap();
    const setResult = testWeakMap.set({}, 'val'); // set返回WeakMap实例
    const testObj = { result: setResult };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.result.value === testWeakMap && descriptors.result.enumerable === true;
}

// 测试点105：验证获取含WeakSet.add返回值属性的描述符
export function Fn105_testWeakSetAddReturnDescriptor() {
    const testWeakSet = new WeakSet();
    const addResult = testWeakSet.add({}); // add返回WeakSet实例
    const testObj = { result: addResult };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.result.value === testWeakSet && descriptors.result.writable === true;
}

// 测试点106：验证获取数组slice后新数组的描述符
export function Fn106_testArraySliceDescriptor() {
    const testArr = [1, 2, 3, 4];
    const slicedArr = testArr.slice(1, 3);
    const descriptors = Object.getOwnPropertyDescriptors(slicedArr);
    return descriptors[0].value === 2 && descriptors[1].value === 3 && descriptors.length.value === 2;
}

// 测试点107：验证获取含Function.prototype.bind属性的描述符
export function Fn107_testFunctionBindProtoDescriptor() {
    const descriptors = Object.getOwnPropertyDescriptors(Function.prototype);
    return typeof descriptors.bind.value === 'function' && descriptors.bind.enumerable === false;
}

// 测试点108：验证获取含Object.prototype.hasOwnProperty属性的描述符
export function Fn108_testObjectHasOwnProtoDescriptor() {
    const descriptors = Object.getOwnPropertyDescriptors(Object.prototype);
    return typeof descriptors.hasOwnProperty.value === 'function' && descriptors.hasOwnProperty.configurable === true;
}

// 测试点109：验证获取对象属性 enumerable 为 true 时可被for...in遍历的描述符
export function Fn109_testEnumerableForInDescriptor() {
    const testObj = { enumProp: 'val' };
    let hasEnumProp = false;
    for (const key in testObj) {
        if (key === 'enumProp') hasEnumProp = true;
    }
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.enumProp.enumerable === true && hasEnumProp;
}

// 测试点110：验证获取对象属性 enumerable 为 false 时不可被for...in遍历的描述符
export function Fn110_testNonEnumerableForInDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'nonEnumProp', { value: 'val', enumerable: false });
    let hasNonEnumProp = false;
    for (const key in testObj) {
        if (key === 'nonEnumProp') hasNonEnumProp = true;
    }
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.nonEnumProp.enumerable && !hasNonEnumProp;
}

// 测试点113：验证获取数组join后不影响原数组元素描述符
export function Fn113_testArrayJoinNoAffectDescriptor() {
    const testArr = [1, 2];
    testArr.join(','); // join不修改原数组
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 1 && descriptors[1].value === 2;
}

// 测试点114：验证获取含Int8Array属性的描述符
export function Fn114_testInt8ArrayPropDescriptor() {
    const testTypedArr = new Int8Array([-10, 20]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[0] === -10 && descriptors.arr.writable === true;
}

// 测试点115：验证获取访问器属性依赖外部变量的描述符
export function Fn115_testAccessorExternalVarDescriptor() {
    let externalVar = 100;
    const testObj = { get extDep() { return externalVar; } };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    externalVar = 200;
    return descriptors.extDep.get() === 200;
}

// 测试点116：验证获取对象属性使用Object.defineProperties批量添加后的描述符
export function Fn116_testDefinePropertiesDescriptor() {
    const testObj = {};
    Object.defineProperties(testObj, {
        prop1: { value: 'val1', enumerable: true },
        prop2: { value: 'val2', enumerable: false }
    });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop1.value === 'val1' && descriptors.prop2.value === 'val2';
}

// 测试点119：验证获取数组sort后元素的描述符
export function Fn119_testArraySortDescriptor() {
    const testArr = [3, 1, 2];
    testArr.sort();
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 1 && descriptors[2].value === 3;
}

// 测试点120：验证获取含Array.from返回数组的描述符
export function Fn120_testArrayFromDescriptor() {
    const fromArr = Array.from([10, 20]);
    const descriptors = Object.getOwnPropertyDescriptors(fromArr);
    return descriptors[0].value === 10 && descriptors.length.value === 2;
}

// 测试点121：验证获取对象属性 enumerable 为 true 时可被Object.values捕获的描述符
export function Fn121_testEnumerableObjectValuesDescriptor() {
    const testObj = { enumVal: 'test' };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.enumVal.enumerable === true && Object.values(testObj).includes('test');
}

// 测试点122：验证获取对象属性 enumerable 为 false 时不可被Object.values捕获的描述符
export function Fn122_testNonEnumerableObjectValuesDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'nonEnumVal', { value: 'test', enumerable: false });
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.nonEnumVal.enumerable && !Object.values(testObj).includes('test');
}

// 测试点123：验证获取含Promise.race返回值属性的描述符
export function Fn123_testPromiseRacePropDescriptor() {
    const testPromise = Promise.race([Promise.resolve('win'), new Promise(() => {})]);
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.then(res => res === 'win') && descriptors.promise.writable === true;
}

// 测试点124：验证获取含Promise.reject返回值属性的描述符
export function Fn124_testPromiseRejectPropDescriptor() {
    const testPromise = Promise.reject(new Error('fail'));
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.catch(err => err.message === 'fail') && descriptors.promise.enumerable === true;
}

// 测试点125：验证获取含Int32Array属性的描述符
export function Fn125_testInt32ArrayPropDescriptor() {
    const testTypedArr = new Int32Array([100000, -200000]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[1] === -200000 && descriptors.arr.writable === true;
}

// 测试点126：验证获取对象属性 configurable 为 true 时可修改描述符的描述符
export function Fn126_testConfigurableModifyDescriptor() {
    const testObj = { prop: 'val' };
    const descriptors1 = Object.getOwnPropertyDescriptors(testObj);
    Object.defineProperty(testObj, 'prop', { enumerable: false });
    const descriptors2 = Object.getOwnPropertyDescriptors(testObj);
    return descriptors1.prop.configurable === true && !descriptors2.prop.enumerable;
}

// 测试点127：验证获取对象属性 configurable 为 false 时不可修改描述符的描述符
export function Fn127_testNonConfigurableNoModifyDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'prop', { value: 'val', configurable: false });
    try {
        Object.defineProperty(testObj, 'prop', { enumerable: true });
        return false; // 若未抛错则测试失败
    } catch {
        const descriptors = Object.getOwnPropertyDescriptors(testObj);
        return !descriptors.prop.configurable;
    }
}

// 测试点128：验证获取含Float32Array属性的描述符
export function Fn128_testFloat32ArrayPropDescriptor() {
    const testTypedArr = new Float32Array([3.14, 2.718]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return Math.abs(descriptors.arr.value[0] - 3.14) < 0.001 && descriptors.arr.enumerable === true;
}

// 测试点129：验证获取数组filter后新数组的描述符
export function Fn129_testArrayFilterDescriptor() {
    const testArr = [1, 2, 3, 4];
    const filteredArr = testArr.filter(item => item % 2 === 0);
    const descriptors = Object.getOwnPropertyDescriptors(filteredArr);
    return descriptors[0].value === 2 && descriptors[1].value === 4 && descriptors.length.value === 2;
}

// 测试点130：验证获取数组map后新数组的描述符
export function Fn130_testArrayMapDescriptor() {
    const testArr = [1, 2, 3];
    const mappedArr = testArr.map(item => item * 2);
    const descriptors = Object.getOwnPropertyDescriptors(mappedArr);
    return descriptors[0].value === 2 && descriptors[2].value === 6;
}

// 测试点131：验证获取含Float64Array属性的描述符
export function Fn131_testFloat64ArrayPropDescriptor() {
    const testTypedArr = new Float64Array([0.1, 0.2]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return Math.abs(descriptors.arr.value[0] - 0.1) < 0.000001 && descriptors.arr.writable === true;
}

// 测试点132：验证获取对象使用解构赋值添加属性后的描述符
export function Fn132_testDestructuringAssignDescriptor() {
    const testObj = {};
    const { a, b } = { a: 1, b: 2 };
    Object.assign(testObj, { a, b }); // 解构后赋值
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.a.value === 1 && descriptors.b.value === 2;
}

// 测试点133：验证获取含Symbol.asyncIterator属性的描述符
export function Fn133_testSymbolAsyncIteratorDescriptor() {
    const asyncIterObj = {
        async *[Symbol.asyncIterator]() {
            yield 'async-val';
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(asyncIterObj);
    return typeof descriptors[Symbol.asyncIterator].value === 'function';
}

// 测试点136：验证获取数组reduce后不影响原数组描述符
export function Fn136_testArrayReduceNoAffectDescriptor() {
    const testArr = [1, 2, 3];
    testArr.reduce((acc, curr) => acc + curr, 0); // reduce不修改原数组
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 1 && descriptors[2].value === 3;
}

// 测试点137：验证获取含Uint16Array属性的描述符
export function Fn137_testUint16ArrayPropDescriptor() {
    const testTypedArr = new Uint16Array([65535, 1000]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[0] === 65535 && descriptors.arr.enumerable === true;
}

// 测试点138：验证获取含Int16Array属性的描述符
export function Fn138_testInt16ArrayPropDescriptor() {
    const testTypedArr = new Int16Array([32767, -32768]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[1] === -32768 && descriptors.arr.writable === true;
}

// 测试点139：验证获取对象属性同时设置get和value时抛错（间接验证描述符规则）
export function Fn139_testGetAndValueConflictDescriptor() {
    const testObj = {};
    try {
        Object.defineProperty(testObj, 'conflict', { get: () => 1, value: 2 });
        return false; // 若未抛错则测试失败
    } catch (err) {
        const descriptors = Object.getOwnPropertyDescriptors(testObj);
        return descriptors.conflict === undefined && err instanceof TypeError;
    }
}

// 测试点140：验证获取对象属性同时设置set和writable时抛错（间接验证描述符规则）
export function Fn140_testSetAndWritableConflictDescriptor() {
    const testObj = {};
    try {
        Object.defineProperty(testObj, 'conflict', { set: () => {}, writable: true });
        return false; // 若未抛错则测试失败
    } catch (err) {
        const descriptors = Object.getOwnPropertyDescriptors(testObj);
        return descriptors.conflict === undefined && err instanceof TypeError;
    }
}

// 测试点141：验证获取含DOM元素（模拟）属性的描述符
export function Fn141_testMockDOMElementDescriptor() {
    // 模拟DOM元素（浏览器环境外兼容）
    const mockDiv = { tagName: 'DIV', id: 'test-div' };
    const testObj = { dom: mockDiv };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.dom.value.tagName === 'DIV' && descriptors.dom.writable === true;
}

// 测试点142：验证获取含JSON.parse结果对象的描述符
export function Fn142_testJSONParseResultDescriptor() {
    const parsedObj = JSON.parse('{"name":"test","age":25}');
    const descriptors = Object.getOwnPropertyDescriptors(parsedObj);
    return descriptors.name.value === 'test' && descriptors.age.value === 25;
}

// 测试点143：验证获取含JSON.stringify参数对象的描述符
export function Fn143_testJSONStringifyParamDescriptor() {
    const stringifyObj = { data: [1, 2], flag: true };
    JSON.stringify(stringifyObj); // 不修改原对象
    const descriptors = Object.getOwnPropertyDescriptors(stringifyObj);
    return descriptors.data.value[1] === 2 && descriptors.flag.value === true;
}

// 测试点144：验证获取含Map.clear后实例的描述符
export function Fn144_testMapClearDescriptor() {
    const testMap = new Map([['key', 'val']]);
    testMap.clear();
    testMap.clearProp = 'after-clear';
    const descriptors = Object.getOwnPropertyDescriptors(testMap);
    return descriptors.clearProp.value === 'after-clear' && testMap.size === 0;
}

// 测试点145：验证获取含Set.delete后实例的描述符
export function Fn145_testSetDeleteDescriptor() {
    const testSet = new Set([1, 2]);
    testSet.delete(1);
    testSet.deleteProp = 'after-delete';
    const descriptors = Object.getOwnPropertyDescriptors(testSet);
    return descriptors.deleteProp.value === 'after-delete' && testSet.has(1) === false;
}

// 测试点146：验证获取访问器属性返回对象的描述符
export function Fn146_testAccessorReturnObjDescriptor() {
    const testObj = {
        get nestedObj() {
            return { inner: 'return-obj-val' };
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.nestedObj.get().inner === 'return-obj-val' && typeof descriptors.nestedObj.get === 'function';
}

// 测试点147：验证获取含Uint8ClampedArray属性的描述符
export function Fn147_testUint8ClampedArrayPropDescriptor() {
    const testTypedArr = new Uint8ClampedArray([256, -1]); // 自动钳位到0-255
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[0] === 255 && descriptors.arr.value[1] === 0;
}

// 测试点148：验证获取含BigUint64Array属性的描述符
export function Fn148_testBigUint64ArrayPropDescriptor() {
    const testTypedArr = new BigUint64Array([9007199254740991n, 1n]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[0] === 9007199254740991n && descriptors.arr.enumerable === true;
}

// 测试点149：验证获取含BigInt64Array属性的描述符
export function Fn149_testBigInt64ArrayPropDescriptor() {
    const testTypedArr = new BigInt64Array([-9007199254740991n, 2n]);
    const testObj = { arr: testTypedArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[0] === -9007199254740991n && descriptors.arr.writable === true;
}

// 测试点150：验证获取对象属性使用Object.keys遍历后描述符无变化
export function Fn150_testObjectKeysNoAffectDescriptor() {
    const testObj = { a: 1, b: 2 };
    Object.keys(testObj).forEach(key => key); // 仅遍历不修改
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.a.value === 1 && descriptors.b.value === 2;
}

// 测试点151：验证获取含Generator函数return方法返回值的描述符
export function Fn151_testGeneratorReturnDescriptor() {
    function* testGen() { yield 'gen-val'; }
    const gen = testGen();
    const returnVal = gen.return('return-val');
    const testObj = { result: returnVal };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.result.value.value === 'return-val' && descriptors.result.value.done === true;
}

// 测试点152：验证获取含AsyncGenerator函数属性的描述符
export function Fn152_testAsyncGeneratorDescriptor() {
    const testObj = {
        async *asyncGen() {
            yield 'async-gen-val';
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return typeof descriptors.asyncGen.value === 'function' && descriptors.asyncGen.enumerable === true;
}

// 测试点153：验证获取数组concat后新数组的描述符
export function Fn153_testArrayConcatDescriptor() {
    const arr1 = [1, 2];
    const arr2 = [3, 4];
    const concatArr = arr1.concat(arr2);
    const descriptors = Object.getOwnPropertyDescriptors(concatArr);
    return descriptors[2].value === 3 && descriptors.length.value === 4;
}

// 测试点154：验证获取数组every遍历后原数组描述符无变化
export function Fn154_testArrayEveryNoAffectDescriptor() {
    const testArr = [1, 2, 3];
    testArr.every(item => item > 0); // 仅判断不修改
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 1 && descriptors[2].value === 3;
}

// 测试点155：验证获取数组some遍历后原数组描述符无变化
export function Fn155_testArraySomeNoAffectDescriptor() {
    const testArr = [1, 2, 3];
    testArr.some(item => item === 2); // 仅判断不修改
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[1].value === 2 && descriptors.length.value === 3;
}

// 测试点158：验证获取访问器属性使用箭头函数的描述符（this指向）
export function Fn158_testAccessorArrowThisDescriptor() {
    const outerThis = { base: 10 };
    const testObj = {
        get arrowAcc() {
            const arrow = () => this.base; // 箭头函数继承访问器的this
            return arrow();
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj.base = 20;
    return descriptors.arrowAcc.get() === 20;
}

// 测试点159：验证获取对象属性 enumerable 为 true 时可被Object.entries捕获的描述符
export function Fn159_testEnumerableObjectEntriesDescriptor() {
    const testObj = { key: 'val' };
    const entries = Object.entries(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.key.enumerable === true && entries[0][1] === 'val';
}

// 测试点160：验证获取对象属性 enumerable 为 false 时不可被Object.entries捕获的描述符
export function Fn160_testNonEnumerableObjectEntriesDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'key', { value: 'val', enumerable: false });
    const entries = Object.entries(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.key.enumerable && entries.length === 0;
}

// 测试点163：验证获取数组find遍历后原数组描述符无变化
export function Fn163_testArrayFindNoAffectDescriptor() {
    const testArr = [1, 2, 3];
    testArr.find(item => item === 2); // 仅查找不修改
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[1].value === 2 && descriptors.length.value === 3;
}

// 测试点164：验证获取数组findIndex遍历后原数组描述符无变化
export function Fn164_testArrayFindIndexNoAffectDescriptor() {
    const testArr = [1, 2, 3];
    testArr.findIndex(item => item === 3); // 仅找索引不修改
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[2].value === 3 && descriptors.length.value === 3;
}

// 测试点165：验证获取含Map.has判断后实例的描述符
export function Fn165_testMapHasNoAffectDescriptor() {
    const testMap = new Map([['key', 'val']]);
    testMap.has('key'); // 仅判断不修改
    testMap.hasProp = 'after-has';
    const descriptors = Object.getOwnPropertyDescriptors(testMap);
    return descriptors.hasProp.value === 'after-has' && testMap.has('key') === true;
}

// 测试点166：验证获取含Set.has判断后实例的描述符
export function Fn166_testSetHasNoAffectDescriptor() {
    const testSet = new Set([1]);
    testSet.has(1); // 仅判断不修改
    testSet.hasProp = 'after-has';
    const descriptors = Object.getOwnPropertyDescriptors(testSet);
    return descriptors.hasProp.value === 'after-has' && testSet.has(1) === true;
}

// 测试点167：验证获取访问器属性返回函数的描述符
export function Fn167_testAccessorReturnFuncDescriptor() {
    const testObj = {
        get returnFunc() {
            return () => 'func-return-val';
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.returnFunc.get()() === 'func-return-val' && typeof descriptors.returnFunc.get === 'function';
}

// 测试点168：验证获取含嵌套数组属性的描述符
export function Fn168_testNestedArrayDescriptor() {
    const testObj = { nestedArr: [[1, 2], [3, 4]] };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.nestedArr.value[1][0] === 3 && descriptors.nestedArr.writable === true;
}

// 测试点169：验证获取对象属性使用Object.freeze后描述符不可写不可配置
export function Fn169_testFrozenPropDescriptorFlags() {
    const testObj = { prop: 'val' };
    Object.freeze(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.prop.writable && !descriptors.prop.configurable;
}

// 测试点170：验证获取对象属性使用Object.seal后描述符不可配置但可写
export function Fn170_testSealedPropDescriptorFlags() {
    const testObj = { prop: 'val' };
    Object.seal(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.writable === true && !descriptors.prop.configurable;
}

// 测试点173：验证获取含ArrayBuffer.slice后新缓冲区的描述符
export function Fn173_testArrayBufferSliceDescriptor() {
    const buffer = new ArrayBuffer(8);
    const slicedBuffer = buffer.slice(2, 6);
    const testObj = { buffer: slicedBuffer };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.buffer.value.byteLength === 4 && descriptors.buffer.writable === true;
}

// 测试点174：验证获取含DataView.setFloat32修改后视图的描述符
export function Fn174_testDataViewSetFloat32Descriptor() {
    const buffer = new ArrayBuffer(8);
    const testView = new DataView(buffer);
    testView.setFloat32(0, 3.14);
    const testObj = { view: testView };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return Math.abs(descriptors.view.value.getFloat32(0) - 3.14) < 0.001 && descriptors.view.enumerable === true;
}

// 测试点175：验证获取访问器属性依赖Promise的描述符
export function Fn175_testAccessorPromiseDependentDescriptor() {
    let promiseRes = '';
    const testObj = {
        get asyncVal() {
            return new Promise(resolve => resolve(promiseRes));
        },
        set asyncVal(val) {
            promiseRes = val;
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    testObj.asyncVal = 'promise-test';
    return descriptors.asyncVal.get().then(res => res === 'promise-test') && typeof descriptors.asyncVal.set === 'function';
}

// 测试点176：验证获取含TypedArray.subarray后新数组的描述符
export function Fn176_testTypedArraySubarrayDescriptor() {
    const testTypedArr = new Uint8Array([10, 20, 30, 40]);
    const subArr = testTypedArr.subarray(1, 3);
    const testObj = { arr: subArr };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[0] === 20 && descriptors.arr.value[1] === 30;
}

// 测试点177：验证获取数组flat后新数组的描述符
export function Fn177_testArrayFlatDescriptor() {
    const testArr = [1, [2, [3]]];
    const flatArr = testArr.flat(2);
    const descriptors = Object.getOwnPropertyDescriptors(flatArr);
    return descriptors[0].value === 1 && descriptors[2].value === 3 && descriptors.length.value === 3;
}

// 测试点178：验证获取数组flatMap后新数组的描述符
export function Fn178_testArrayFlatMapDescriptor() {
    const testArr = [1, 2];
    const flatMapArr = testArr.flatMap(item => [item, item * 2]);
    const descriptors = Object.getOwnPropertyDescriptors(flatMapArr);
    return descriptors[0].value === 1 && descriptors[3].value === 4 && descriptors.length.value === 4;
}

// 测试点179：验证获取含WeakMap.get后实例的描述符
export function Fn179_testWeakMapGetNoAffectDescriptor() {
    const key = {};
    const testWeakMap = new WeakMap([[key, 'val']]);
    testWeakMap.get(key); // 仅获取不修改
    testWeakMap.getProp = 'after-get';
    const descriptors = Object.getOwnPropertyDescriptors(testWeakMap);
    return descriptors.getProp.value === 'after-get' && testWeakMap.get(key) === 'val';
}

// 测试点180：验证获取含WeakSet.has后实例的描述符
export function Fn180_testWeakSetHasNoAffectDescriptor() {
    const val = {};
    const testWeakSet = new WeakSet([val]);
    testWeakSet.has(val); // 仅判断不修改
    testWeakSet.hasProp = 'after-has';
    const descriptors = Object.getOwnPropertyDescriptors(testWeakSet);
    return descriptors.hasProp.value === 'after-has' && testWeakSet.has(val) === true;
}

// 测试点181：验证获取对象属性使用Object.getPrototypeOf后描述符无变化
export function Fn181_testGetPrototypeNoAffectDescriptor() {
    const parent = { parentProp: 'val' };
    const testObj = Object.create(parent);
    testObj.ownProp = 'own-val';
    Object.getPrototypeOf(testObj); // 仅获取原型不修改
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.ownProp.value === 'own-val' && descriptors.parentProp === undefined;
}

// 测试点182：验证获取含Promise.allSettled返回值属性的描述符
export function Fn182_testPromiseAllSettledPropDescriptor() {
    const testPromise = Promise.allSettled([Promise.resolve(1), Promise.reject(2)]);
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.then(res => res[0].status === 'fulfilled' && res[1].status === 'rejected') && descriptors.promise.writable === true;
}

// 测试点183：验证获取含Promise.any返回值属性的描述符
export function Fn183_testPromiseAnyPropDescriptor() {
    const testPromise = Promise.any([Promise.reject(1), Promise.resolve(2)]);
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.then(res => res === 2) && descriptors.promise.enumerable === true;
}

// 测试点184：验证获取数组reverse后原数组引用不变的描述符
export function Fn184_testArrayReverseRefDescriptor() {
    const testArr = [1, 2];
    const originalRef = testArr;
    testArr.reverse();
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return testArr === originalRef && descriptors[0].value === 2;
}

// 测试点186：验证获取含Symbol.isConcatSpreadable属性的描述符
export function Fn186_testSymbolIsConcatSpreadableDescriptor() {
    const testArr = [1, 2];
    Object.defineProperty(testArr, Symbol.isConcatSpreadable, { value: false });
    const concatResult = [3].concat(testArr);
    const testObj = { arr: testArr, result: concatResult };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.arr.value[Symbol.isConcatSpreadable] === false && descriptors.result.value.length === 2;
}

// 测试点187：验证获取含DOM事件模拟对象属性的描述符
export function Fn187_testMockDOMEventDescriptor() {
    // 模拟DOM事件对象
    const mockEvent = { type: 'click', target: { tagName: 'BUTTON' } };
    const testObj = { event: mockEvent };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.event.value.type === 'click' && descriptors.event.value.target.tagName === 'BUTTON';
}

// 测试点188：验证获取数组unshift后原数组引用不变的描述符
export function Fn188_testArrayUnshiftRefDescriptor() {
    const testArr = [2];
    const originalRef = testArr;
    testArr.unshift(1);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return testArr === originalRef && descriptors[0].value === 1 && descriptors.length.value === 2;
}

// 测试点189：验证获取含TypedArray.set修改后数组的描述符
export function Fn189_testTypedArraySetDescriptor() {
    const testTypedArr = new Uint8Array(3);
    testTypedArr.set([10, 20], 0);
    const descriptors = Object.getOwnPropertyDescriptors(testTypedArr);
    return descriptors[0].value === 10 && descriptors[1].value === 20 && descriptors[2].value === 0;
}

// 测试点190：验证获取对象属性使用Object.preventExtensions后描述符无变化
export function Fn190_testPreventExtensionsDescriptor() {
    const testObj = { prop: 'val' };
    Object.preventExtensions(testObj); // 阻止扩展不影响现有属性
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === 'val' && descriptors.prop.configurable === true;
}

// 测试点191：验证获取含AsyncGeneratorIterator属性的描述符
export function Fn191_testAsyncGeneratorIteratorDescriptor() {
    async function* testAsyncGen() { yield 'async-gen-val'; }
    const testIter = testAsyncGen();
    const testObj = { iter: testIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().then(res => res.value === 'async-gen-val') && descriptors.iter.writable === true;
}

// 测试点192：验证获取数组splice后原数组引用不变的描述符
export function Fn192_testArraySpliceRefDescriptor() {
    const testArr = [1, 2, 3];
    const originalRef = testArr;
    testArr.splice(1, 1, 4);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return testArr === originalRef && descriptors[1].value === 4 && descriptors.length.value === 3;
}

// 测试点195：验证获取访问器属性返回Promise的描述符
export function Fn195_testAccessorReturnPromiseDescriptor() {
    const testObj = {
        get returnPromise() {
            return Promise.resolve('promise-val');
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.returnPromise.get().then(res => res === 'promise-val') && typeof descriptors.returnPromise.get === 'function';
}

// 测试点196：验证获取含Array.from映射函数结果数组的描述符
export function Fn196_testArrayFromMapDescriptor() {
    const fromArr = Array.from([1, 2], item => item * 3);
    const descriptors = Object.getOwnPropertyDescriptors(fromArr);
    return descriptors[0].value === 3 && descriptors[1].value === 6 && descriptors.length.value === 2;
}

// 测试点197：验证获取含Set.values迭代器属性的描述符
export function Fn197_testSetValuesIteratorDescriptor() {
    const testSet = new Set([1, 2]);
    const valuesIter = testSet.values();
    const testObj = { iter: valuesIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value === 1 && descriptors.iter.enumerable === true;
}

// 测试点198：验证获取含Map.entries迭代器属性的描述符
export function Fn198_testMapEntriesIteratorDescriptor() {
    const testMap = new Map([['key1', 'val1'], ['key2', 'val2']]);
    const entriesIter = testMap.entries();
    const testObj = { iter: entriesIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value[1] === 'val1' && descriptors.iter.writable === true;
}

// 测试点199：验证获取对象属性 enumerable 为 true 时可被for...of遍历的描述符（数组）
export function Fn199_testEnumerableForOfArrayDescriptor() {
    const testArr = [1, 2];
    let collected = [];
    for (const val of testArr) collected.push(val);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].enumerable === true && collected.join(',') === '1,2';
}

// 测试点200：验证获取对象属性 enumerable 为 false 时不可被for...of遍历的描述符（类数组）
export function Fn200_testNonEnumerableForOfArrayLikeDescriptor() {
    const arrayLike = { length: 2 };
    Object.defineProperty(arrayLike, '0', { value: 1, enumerable: false });
    Object.defineProperty(arrayLike, '1', { value: 2, enumerable: true });
    let collected = [];
    for (const val of Array.from(arrayLike)) collected.push(val);
    const descriptors = Object.getOwnPropertyDescriptors(arrayLike);
    return !descriptors[0].enumerable && collected.join(',') === '1,2';
}

// 测试点204：验证获取含DataView.setInt16修改后视图的描述符
export function Fn204_testDataViewSetInt16Descriptor() {
    const buffer = new ArrayBuffer(4);
    const testView = new DataView(buffer);
    testView.setInt16(0, 32767);
    const testObj = { view: testView };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.view.value.getInt16(0) === 32767 && descriptors.view.enumerable === true;
}

// 测试点205：验证获取访问器属性依赖WeakMap的描述符
export function Fn205_testAccessorWeakMapDependentDescriptor() {
    const weakMap = new WeakMap();
    const key = {};
    weakMap.set(key, 'weak-val');
    const testObj = {
        get weakVal() { return weakMap.get(key); }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.weakVal.get() === 'weak-val' && typeof descriptors.weakVal.get === 'function';
}

// 测试点206：验证获取含TypedArray.reverse后数组的描述符
export function Fn206_testTypedArrayReverseDescriptor() {
    const testTypedArr = new Uint8Array([10, 20, 30]);
    testTypedArr.reverse();
    const descriptors = Object.getOwnPropertyDescriptors(testTypedArr);
    return descriptors[0].value === 30 && descriptors[2].value === 10;
}

// 测试点207：验证获取数组copyWithin后元素的描述符
export function Fn207_testArrayCopyWithinDescriptor() {
    const testArr = [1, 2, 3, 4];
    testArr.copyWithin(0, 2);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[0].value === 3 && descriptors[1].value === 4;
}

// 测试点208：验证获取数组fill指定范围后元素的描述符
export function Fn208_testArrayFillRangeDescriptor() {
    const testArr = [1, 2, 3, 4];
    testArr.fill(0, 1, 3);
    const descriptors = Object.getOwnPropertyDescriptors(testArr);
    return descriptors[1].value === 0 && descriptors[2].value === 0 && descriptors[3].value === 4;
}

// 测试点209：验证获取含WeakMap.delete后实例的描述符
export function Fn209_testWeakMapDeleteDescriptor() {
    const key = {};
    const testWeakMap = new WeakMap([[key, 'val']]);
    testWeakMap.delete(key);
    testWeakMap.delProp = 'after-del';
    const descriptors = Object.getOwnPropertyDescriptors(testWeakMap);
    return descriptors.delProp.value === 'after-del' && testWeakMap.get(key) === undefined;
}

// 测试点210：验证获取含WeakSet.delete后实例的描述符
export function Fn210_testWeakSetDeleteDescriptor() {
    const val = {};
    const testWeakSet = new WeakSet([val]);
    testWeakSet.delete(val);
    testWeakSet.delProp = 'after-del';
    const descriptors = Object.getOwnPropertyDescriptors(testWeakSet);
    return descriptors.delProp.value === 'after-del' && testWeakSet.has(val) === false;
}

// 测试点211：验证获取对象属性使用Object.isFrozen判断后描述符无变化
export function Fn211_testIsFrozenNoAffectDescriptor() {
    const testObj = { prop: 'val' };
    Object.isFrozen(testObj); // 仅判断不修改
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === 'val' && descriptors.prop.writable === true;
}

// 测试点212：验证获取含Promise.prototype.finally链式调用后属性的描述符
export function Fn212_testPromiseFinallyPropDescriptor() {
    let finallyCalled = false;
    const testPromise = Promise.resolve('val').finally(() => finallyCalled = true);
    const testObj = { promise: testPromise };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.promise.value.then(() => finallyCalled) && descriptors.promise.writable === true;
}

// 测试点213：验证获取含Symbol.iterator自定义实现的对象描述符
export function Fn213_testCustomSymbolIteratorDescriptor() {
    const customIter = {
        items: [1, 2],
        *[Symbol.iterator]() {
            for (const item of this.items) yield item;
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(customIter);
    const iter = customIter[Symbol.iterator]();
    return iter.next().value === 1 && typeof descriptors[Symbol.iterator].value === 'function';
}

// 测试点214：验证获取数组with修改后新数组的描述符（ES2023+）
export function Fn214_testArrayWithDescriptor() {
    const testArr = [1, 2, 3];
    const newArr = testArr.with(1, 4); // 不修改原数组，返回新数组
    const descriptors = Object.getOwnPropertyDescriptors(newArr);
    return descriptors[1].value === 4 && testArr[1] === 2;
}

// 测试点215：验证获取含Symbol.toPrimitive属性的描述符
export function Fn215_testSymbolToPrimitiveDescriptor() {
    const testObj = {
        valueOf() { return 1; },
        [Symbol.toPrimitive](hint) { return hint === 'number' ? 2 : 'str'; }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors[Symbol.toPrimitive].value('number') === 2 && Number(testObj) === 2;
}

// 测试点216：验证获取含DOM元素样式模拟对象属性的描述符
export function Fn216_testMockDOMStyleDescriptor() {
    // 模拟DOM元素样式对象
    const mockStyle = { color: 'red', fontSize: '16px' };
    const mockDiv = { style: mockStyle };
    const testObj = { dom: mockDiv };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.dom.value.style.color === 'red' && descriptors.dom.writable === true;
}

// 测试点217：验证获取数组flat指定深度后元素的描述符
export function Fn217_testArrayFlatDepthDescriptor() {
    const testArr = [1, [2, [3, [4]]]];
    const flatArr = testArr.flat(1); // 仅扁平化1层
    const descriptors = Object.getOwnPropertyDescriptors(flatArr);
    return descriptors[1].value[0] === 3 && descriptors.length.value === 2;
}

// 测试点218：验证获取含TypedArray.fill后数组的描述符
export function Fn218_testTypedArrayFillDescriptor() {
    const testTypedArr = new Uint8Array(4);
    testTypedArr.fill(255, 1, 3);
    const descriptors = Object.getOwnPropertyDescriptors(testTypedArr);
    return descriptors[0].value === 0 && descriptors[1].value === 255 && descriptors[3].value === 0;
}

// 测试点219：验证获取对象属性使用Object.isSealed判断后描述符无变化
export function Fn219_testIsSealedNoAffectDescriptor() {
    const testObj = { prop: 'val' };
    Object.isSealed(testObj); // 仅判断不修改
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.prop.value === 'val' && descriptors.prop.configurable === true;
}

// 测试点220：验证获取含AsyncGenerator.prototype.return返回值的描述符
export function Fn220_testAsyncGeneratorReturnDescriptor() {
    async function* testAsyncGen() { yield 'async-val'; }
    const gen = testAsyncGen();
    const returnVal = gen.return('return-val');
    const testObj = { result: returnVal };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.result.value.then(res => res.value === 'return-val' && res.done === true);
}

// 测试点221：验证获取数组filter空结果后新数组的描述符
export function Fn221_testArrayFilterEmptyDescriptor() {
    const testArr = [1, 2, 3];
    const filteredArr = testArr.filter(item => item > 5); // 无匹配项
    const descriptors = Object.getOwnPropertyDescriptors(filteredArr);
    return descriptors.length.value === 0 && Object.keys(descriptors).length === 1;
}

// 测试点224：验证获取访问器属性返回WeakSet的描述符
export function Fn224_testAccessorReturnWeakSetDescriptor() {
    const testObj = {
        get weakSet() {
            const ws = new WeakSet();
            ws.add({});
            return ws;
        }
    };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.weakSet.get() instanceof WeakSet && descriptors.weakSet.get().size === undefined;
}

// 测试点226：验证获取数组map空结果后新数组的描述符
export function Fn226_testArrayMapEmptyDescriptor() {
    const testArr = [];
    const mappedArr = testArr.map(item => item * 2); // 空数组map
    const descriptors = Object.getOwnPropertyDescriptors(mappedArr);
    return descriptors.length.value === 0 && Object.keys(descriptors).length === 1;
}

// 测试点227：验证获取含Set.prototype.values迭代器属性的描述符
export function Fn227_testSetPrototypeValuesDescriptor() {
    const testSet = new Set([10, 20]);
    const valuesIter = Set.prototype.values.call(testSet);
    const testObj = { iter: valuesIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value === 10 && descriptors.iter.enumerable === true;
}

// 测试点228：验证获取含Map.prototype.keys迭代器属性的描述符
export function Fn228_testMapPrototypeKeysDescriptor() {
    const testMap = new Map([['k1', 'v1'], ['k2', 'v2']]);
    const keysIter = Map.prototype.keys.call(testMap);
    const testObj = { iter: keysIter };
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.iter.value.next().value === 'k1' && descriptors.iter.writable === true;
}

// 测试点229：验证获取对象属性 enumerable 为 true 时可被Reflect.ownKeys捕获的描述符
export function Fn229_testEnumerableReflectOwnKeysDescriptor() {
    const testObj = { enumProp: 'val' };
    const ownKeys = Reflect.ownKeys(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return descriptors.enumProp.enumerable === true && ownKeys.includes('enumProp');
}

// 测试点230：验证获取对象属性 enumerable 为 false 时仍可被Reflect.ownKeys捕获的描述符
export function Fn230_testNonEnumerableReflectOwnKeysDescriptor() {
    const testObj = {};
    Object.defineProperty(testObj, 'nonEnumProp', { value: 'val', enumerable: false });
    const ownKeys = Reflect.ownKeys(testObj);
    const descriptors = Object.getOwnPropertyDescriptors(testObj);
    return !descriptors.nonEnumProp.enumerable && ownKeys.includes('nonEnumProp');
}

